Stockholm's narrowest alley is barely over two feet wide.

A man has revenged his true love's betrayal through tears and stone genitalia.

Sweden's first nuclear reactor, R1, can be visited 25 meters underground.

This poured-concrete water reservoir is a gem of modernist architecture well-hidden in a city forest.

Despite dreams of constructing this fairytale mansion, Albert Gotthard Nestor Cedergren never saw its completion.

The three colorful women depict characters from a beloved children's story.

Crystal chandeliers brighten up this dark underpass.

The palace for King Gustav III was never completed, but the foundation remains tucked away in this city park.

A rare surviving Victorian greenhouse designed specifically to house giant water lilies.

A collection of trees from various corners of the world call Stockholm University home.

A statue that stood at the center of a long copyright battle.

The library's graceful rotunda is like a bibliophile's temple.

A golden plaque marks the site of the mysterious unsolved assassination of the former Swedish prime minister.

This homeless brass fox tugs at your heartstrings from the foot of a Stockholm bridge.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

The discovery of an old wall led to the creation of this fascinating museum about the city in the Middle Ages.

The scars of a remarkably organized public protest to save 13 elm trees are still visible in this Stockholm park.

Stockholm's deepest subway station is also a stunning ecological wonder.

Now a hotel, this former bank was the site of a robbery that spawned a psychological phenomenon.

This statue and park honor the Swedish chemist Jacob Berzelius, one of the founders of modern chemistry.

The 19th-century home of Count and Countess von Hallwyl is now a museum.

A concrete mushroom that divided Stockholm residents for nearly a century.

An illuminated manuscript comprising the life's work of a lone monk, inexplicably decorated with a portrait of Satan himself.

A heated statue pays tribute to one of Sweden's great actresses.